Massively bleeding peptic ulcer.
D000328:Adult; D000368:Aged; D001803:Blood Transfusion; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality / Q000601:surgery / Q000628:therapy*; D012771:Shock, Hemorrhagic / Q000601:surgery